Recent content by Gilles65

Hi, I'm replacing my old in-line thermostat with a Honeywell CT 410. The old 4-wire thermostat is connected as follows: I have a single black wire going to a red line and a single white wire going to the other red input. Also, two black wires are connected to one black in-put and 2 white wires...

Hi, I'm replacing my old in-line thermostat with a Honeywell CT 410. The old 4-wire thermostat is connected as follows: I have a single black wire going to a red line and a single white wire going to the other red input. Also, two black wires are connected to one black in-put and 2 white wires...